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path: root/drivers/acpi/processor_throttling.c
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Diffstat (limited to 'drivers/acpi/processor_throttling.c')
-rw-r--r--drivers/acpi/processor_throttling.c11
1 files changed, 3 insertions, 8 deletions
diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index a2c3f9cfa549..a56fc6c4394b 100644
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -827,7 +827,6 @@ static int acpi_processor_get_throttling_ptc(struct acpi_processor *pr)
827static int acpi_processor_get_throttling(struct acpi_processor *pr) 827static int acpi_processor_get_throttling(struct acpi_processor *pr)
828{ 828{
829 cpumask_t saved_mask; 829 cpumask_t saved_mask;
830 cpumask_of_cpu_ptr_declare(new_mask);
831 int ret; 830 int ret;
832 831
833 if (!pr) 832 if (!pr)
@@ -839,8 +838,7 @@ static int acpi_processor_get_throttling(struct acpi_processor *pr)
839 * Migrate task to the cpu pointed by pr. 838 * Migrate task to the cpu pointed by pr.
840 */ 839 */
841 saved_mask = current->cpus_allowed; 840 saved_mask = current->cpus_allowed;
842 cpumask_of_cpu_ptr_next(new_mask, pr->id); 841 set_cpus_allowed_ptr(current, &cpumask_of_cpu(pr->id));
843 set_cpus_allowed_ptr(current, new_mask);
844 ret = pr->throttling.acpi_processor_get_throttling(pr); 842 ret = pr->throttling.acpi_processor_get_throttling(pr);
845 /* restore the previous state */ 843 /* restore the previous state */
846 set_cpus_allowed_ptr(current, &saved_mask); 844 set_cpus_allowed_ptr(current, &saved_mask);
@@ -989,7 +987,6 @@ static int acpi_processor_set_throttling_ptc(struct acpi_processor *pr,
989int acpi_processor_set_throttling(struct acpi_processor *pr, int state) 987int acpi_processor_set_throttling(struct acpi_processor *pr, int state)
990{ 988{
991 cpumask_t saved_mask; 989 cpumask_t saved_mask;
992 cpumask_of_cpu_ptr_declare(new_mask);
993 int ret = 0; 990 int ret = 0;
994 unsigned int i; 991 unsigned int i;
995 struct acpi_processor *match_pr; 992 struct acpi_processor *match_pr;
@@ -1028,8 +1025,7 @@ int acpi_processor_set_throttling(struct acpi_processor *pr, int state)
1028 * it can be called only for the cpu pointed by pr. 1025 * it can be called only for the cpu pointed by pr.
1029 */ 1026 */
1030 if (p_throttling->shared_type == DOMAIN_COORD_TYPE_SW_ANY) { 1027 if (p_throttling->shared_type == DOMAIN_COORD_TYPE_SW_ANY) {
1031 cpumask_of_cpu_ptr_next(new_mask, pr->id); 1028 set_cpus_allowed_ptr(current, &cpumask_of_cpu(pr->id));
1032 set_cpus_allowed_ptr(current, new_mask);
1033 ret = p_throttling->acpi_processor_set_throttling(pr, 1029 ret = p_throttling->acpi_processor_set_throttling(pr,
1034 t_state.target_state); 1030 t_state.target_state);
1035 } else { 1031 } else {
@@ -1060,8 +1056,7 @@ int acpi_processor_set_throttling(struct acpi_processor *pr, int state)
1060 continue; 1056 continue;
1061 } 1057 }
1062 t_state.cpu = i; 1058 t_state.cpu = i;
1063 cpumask_of_cpu_ptr_next(new_mask, i); 1059 set_cpus_allowed_ptr(current, &cpumask_of_cpu(i));
1064 set_cpus_allowed_ptr(current, new_mask);
1065 ret = match_pr->throttling. 1060 ret = match_pr->throttling.
1066 acpi_processor_set_throttling( 1061 acpi_processor_set_throttling(
1067 match_pr, t_state.target_state); 1062 match_pr, t_state.target_state);